Talk:Gubin Coal Mine

External links modified
Hello fellow Wikipedians,

I have just modified 2 external links on Gubin Coal Mine. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20120313053018/http://www.poltegor.pl/ref/lr2006a.pdf to http://www.poltegor.pl/ref/lr2006a.pdf
 * Added archive https://web.archive.org/web/20120313053018/http://www.poltegor.pl/ref/lr2006a.pdf to http://www.poltegor.pl/ref/lr2006a.pdf

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Cheers.— InternetArchiveBot  (Report bug) 00:25, 26 March 2017 (UTC)